Beware Electrical Vampires

Energy vampires are sitting in dark corners, hiding under desks, and lurking on counter tops in offices across America. They take the form of office equipment, personal electronics, and appliances that draw electricity when left in “standby mode.” These sneaky monsters continue to consume power, even when equipment is idle or “shut off.” While you […]


Resources: Air-Source Heat Pumps

Part 8 of Air-Source Heat Pumps. The following are sources of additional information on heat pumps. This list is not exhaustive, nor does the mention of any resource constitute a recommendation or endorsement. Ask an Energy Expert DOE’s Energy Efficiency and¬†Renewable Energy Clearinghouse (EREC) P.O. Box 3048 Merrifield, VA 22116 1-800-DOE-EREC (363-3732)¬†Online submittal form. Energy […]


Improving Performance

Part 5 of Air-Source Heat Pumps. Poor installation, duct losses, and inadequate maintenance are more of a problem for heat pumps than for combustion furnaces. A growing body of evidence suggests that most heat pumps have significant installation or service problems that reduce performance and efficiency. According to a report on research funded by Energy […]


Building and Buying

Part 7 of Elements of an Energy-Efficient House. Before you start a home-building project, the building site and its climate should be carefully evaluated to determine the optimum design and orientation for the house. There are energy-related computer software programs that can help with these evaluations. The design should accommodate appropriate insulation levels, moisture dynamics, […]